package com.ty.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;


@Service
public class PaymentService {

    public string addNew(){
        return "-----新增代码审查功能-----"
    }

    public String paymentInfo_OK(Integer id){
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_OK,id"+id;
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeoutHander",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")}) //fallbackMethod为兜底方法，后面HystrixProperty注解里面的值为设置的超时时间
    public String paymentInfo_Timeout(Integer id){
//        int num = 10/0;
        int timeout = 4;
        try {
            TimeUnit.SECONDS.sleep(timeout);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_Timeout,id"+id+"耗时"+timeout;
    }

    public String paymentInfo_TimeoutHander(Integer id){
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_TimeoutHander,id"+id+"( ╯□╰ )";
    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),   //请求次数超过峰值，熔断器将会打开
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),  //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), //失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(Integer id){
        if(id < 0){
            throw new RuntimeException("*****id不能为负数*****");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName() + "\t" + "调用成功,流水号:" + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(Integer id){
        return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " +id;
    }


}
